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Caporal.js example
#!/usr/bin/env node
var http = require('http');
var https = require('https');
var retreiveDatas = function(url){
return new Promise((resolve, reject) => {
var proto = https;
if (url.indexOf("http://") == 0)
proto = http;
var request = proto.get(url, function(response){
response.setEncoding('utf8');
var body = '';
response.on('data', function(d){
body += d;
});
response.on('end', function(){
var parsed = JSON.parse(body);
resolve(parsed);
});
});
})
}
const prog = require('caporal');
prog
.version('1.0.0')
.description('Simple program to display city weather and some Breaking Bad quotes')
.command('weather', 'Get weather')
.argument('<city>', 'Search query')
.option('--humidity', 'Allow to prints humidity value')
.option('--wind', 'Allow to prints wind speed')
.action(function(args, options, logger) {
retreiveDatas('http://api.openweathermap.org/data/2.5/weather?APPID=9ffc8e8d9b6cdf53f8bf6b2168b7d7b5&q='+args.city+'&mode=json&units=metric').then(function(datas){
var weather = {
city: datas.name,
temp: datas.main.temp + '°C',
humidity: datas.main.humidity + '%',
wind_speed: datas.wind.speed + ' km/h'
};
var content = "\n";
content += "City: " + weather.city + "\n";
content += "Temperature: " + weather.temp + "\n";
if (options.humidity)
content += "Humidity: " + weather.humidity + "\n";
if (options.wind)
content += "Wind: " + weather.wind_speed + "\n";
logger.info(content);
})
})
.command('breaking-bad', 'Get Breaking Bad quotes')
.option('--nb <num>', 'Number of quotes', prog.INT, 1)
.action(function(args, options, logger){
retreiveDatas('https://breaking-bad-quotes.herokuapp.com/v1/quotes/'+options.nb).then(function(datas){
var content = "\n";
for (var i = 0; i < datas.length; i++) {
content += '"'+datas[i].quote+'"';
content += "\n";
content += "- "+datas[i].author;
content += "\n";
content += "\n";
}
logger.info(content);
})
});
prog.parse(process.argv);
// node caporal-test.js weather paris
// node caporal-test.js weather paris --humidity
// node caporal-test.js weather paris --wind
// node caporal-test.js breaking-bad
// node caporal-test.js breaking-bad --nb 5
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